Diagnostic Services at Dorval Auto Center
Vehicle Diagnostic Services
When your vehicle isn’t running as it should, accurate diagnostics are the first step toward finding the problem. Our advanced diagnostic equipment allows us to quickly identify issues with your engine, electrical system, sensors, and onboard computer, helping you avoid unnecessary repairs and get back on the road with confidence. Whether your check engine light has come on, your battery is causing starting problems, or you’re experiencing unusual performance issues, our experienced technicians provide honest, reliable diagnostics and clear recommendations for the right repair.
- Computerized engine diagnostics
- Check engine light diagnosis and troubleshooting
- Electrical system testing and repair
- Battery testing and charging system diagnostics
- Alternator and starter diagnostics
- Engine performance diagnostics
- Sensor and module testing
- Ignition system diagnostics
- ABS and traction control diagnostics
- Wiring and electrical fault detection
- Pre-purchase vehicle inspections
- Fast, accurate fault code scanning and analysis
Trusted by 100+ Drivers in Oakville
Work was done quickly and cleanly, prices are fair, and communication was clear throughout the process. You can tell they care about their reputation and about doing the job right. Definitely recommend this place if you’re looking for a reliable and trustworthy auto service.
Sacha Kurochka
Fantastic service. Very knowledgeable and friendly. It’s in my honest opinion, prices are very reasonable and affordable. Had a tune-up done on my Mercedes, oil change plugs tire rotation and it was a fraction of the cost from the dealer. I strongly recommend.
Ralph Schiafone
These guys know what they’re doing. Came in to change my tires — everything was done fast, clean, and without any upselling. You can tell they have real experience: no mistakes, no wasted time, just solid work. Prices are fair and the service is straightforward — not like those places that try to squeeze extra money out of you. If you need something done quickly and properly, definitely worth coming here.
Vitalik Khromeiko
The staff at Dorval Service have provided me and my family with superior service for over 5 years. Staff are always pleasant, friendly and honest with their assessments and work to provide prompt and superior service. I recommend them to all my friends.
Carolynn Leblanc
Book a Diagnostics Scan
An engine diagnostics scan costs 40$ plus tax. See FAQ for more details
Diagnostics FAQ
Your check engine light can come on for many reasons, from a loose gas cap to engine, emissions, or sensor problems. Our computerized diagnostic equipment reads your vehicle’s fault codes and performs additional testing to accurately identify the cause before any repairs are recommended.
Most vehicle diagnostic services can be completed in about 30 minutes to an hour, depending on the issue. If additional testing is needed to pinpoint an intermittent or complex problem, we’ll explain the process and keep you informed every step of the way.
Yes. We diagnose a wide range of automotive electrical issues, including battery drain, charging system problems, faulty wiring, alternator and starter issues, blown fuses, malfunctioning sensors, and other electrical faults affecting your vehicle’s performance.
If the check engine light is steady, your vehicle may still be safe to drive for a short time, but it should be diagnosed as soon as possible to prevent further damage. If the light is flashing, it usually indicates a more serious problem that could damage your engine. In that case, it’s best to stop driving and have your vehicle inspected immediately.
Charge is 40$ plus tax. This is for the scan only and does not include additional parts or labor.